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Bacillus thuringiensis의 전자현미경적(電子顯微鏡的) 연구(硏究)
최영희,김기상,이형환,Choi, Y.H.,Kim, K.S.,Lee, H.H. 한국현미경학회 1983 Applied microscopy Vol.13 No.1
The cell division of Bacillus thuringiensis are studed by a electron microscope. It was observed that when the cell division was occurred, the bacterial transverse septeum was centripetally formed, and the bacterial spore was divided into two daughter cells. The fore spore septum was initiated by invagination from either sides of the cell membranes, and was easily distinguished it from the transverse septum of the vegetative cell division. The large vesicular mesosome was. observed at one end of the cell membrane. The nucleoids were of variously irregular shapes and had no a nuclear membrane. The morphology of the bacteria was visualizd by a scanning electron microscope. The surface of the cell was generally rough and had a single polar flagellum, which was appeared to be $0.2{\mu}$ in width and $13{\mu}$ in length.
김영섭(Y. S. Kim),김태훈(T. H. Kim),박소희(S. H. Park),최영희(Y. H. Choi),최은서(E. S. Choi),신용진(Y. T. Shin) 한국레이저가공학회 2007 한국레이저가공학회지 Vol.10 No.1
We propose a novel application of laser engraving to patterning of light guide panel (LGP) for backlight. The feasibility of three-dimensional engraved pattern in the LGP was verified by measuring brightness and uniformity. To improve the overall uniformity, we have modified proposed patterns and found improved design for patterns. The tailoring of pattern by using laser engraving method could endow the controllability of uniformity. The proposed LGPs are more efficient in both average brightness and uniformity of illumination than the conventional LGPs which have surface pattern on the panel.